netxduo
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Outline
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#define NX_SOURCE_CODE
#include "nx_api.h"
#include "nx_ip.h"
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_nx_ip_interface_address_set(NX_IP *, UINT, ULONG, ULONG)
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SourceVuSTM32 Libraries and Samplesnetxduocommon/src/nx_ip_interface_address_set.c
 
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/**************************************************************************/ /* */ /* Copyright (c) Microsoft Corporation. All rights reserved. */ /* */ /* This software is licensed under the Microsoft Software License */ /* Terms for Microsoft Azure RTOS. Full text of the license can be */ /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */ /* and in the root directory of this software. */ /* */... /**************************************************************************/ ... /**************************************************************************/ /**************************************************************************/ /** */ /** NetX Component */ /** */ /** Internet Protocol (IP) */ /** */... /**************************************************************************/ /**************************************************************************/ #define NX_SOURCE_CODE /* Include necessary system files. */ #include "nx_api.h" #include "nx_ip.h" ... /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _nx_ip_interface_address_set PORTABLE C */ /* 6.1 */ /* AUTHOR */ /* */ /* Yuxin Zhou, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function sets the IP address and the network mask for the */ /* supplied IP instance. */ /* */ /* INPUT */ /* */ /* ip_ptr IP control block pointer */ /* interface_index IP Interface Index */ /* ip_address IP address */ /* network_mask Network mask */ /* */ /* OUTPUT */ /* */ /* status Completion status */ /* */ /* CALLS */ /* */ /* tx_mutex_get Get protection mutex */ /* tx_mutex_put Put protection mutex */ /* */ /* CALLED BY */ /* */ /* Application Code */ /* */ /* RELEASE HISTORY */ /* */ /* DATE NAME DESCRIPTION */ /* */ /* 05-19-2020 Yuxin Zhou Initial Version 6.0 */ /* 09-30-2020 Yuxin Zhou Modified comment(s), */ /* resulting in version 6.1 */ /* */... /**************************************************************************/ UINT _nx_ip_interface_address_set(NX_IP *ip_ptr, UINT interface_index, ULONG ip_address, ULONG network_mask) { #ifndef NX_DISABLE_IPV4 TX_INTERRUPT_SAVE_AREA VOID (*address_change_notify)(NX_IP *, VOID *); VOID *additional_info; ULONG previous_ip_address; ULONG previous_network_mask; /* If trace is enabled, insert this event into the trace buffer. */ NX_TRACE_IN_LINE_INSERT(NX_TRACE_IP_ADDRESS_SET, ip_ptr, ip_address, network_mask, 0, NX_TRACE_IP_EVENTS, 0, 0); /* Get mutex protection. */ tx_mutex_get(&(ip_ptr -> nx_ip_protection), TX_WAIT_FOREVER); /* Disable interrupts. */ TX_DISABLE /* Save previous IP address and network mask. */ previous_ip_address = ip_ptr -> nx_ip_interface[interface_index].nx_interface_ip_address; previous_network_mask = ip_ptr -> nx_ip_interface[interface_index].nx_interface_ip_network_mask; /* Pickup the current notification callback and additional information pointers. */ address_change_notify = ip_ptr -> nx_ip_address_change_notify; additional_info = ip_ptr -> nx_ip_address_change_notify_additional_info; /* Setup the IP address and the network mask. */ ip_ptr -> nx_ip_interface[interface_index].nx_interface_ip_address = ip_address; ip_ptr -> nx_ip_interface[interface_index].nx_interface_ip_network_mask = network_mask; ip_ptr -> nx_ip_interface[interface_index].nx_interface_ip_network = ip_address & network_mask; /* Ensure the RARP function is disabled. */ ip_ptr -> nx_ip_rarp_periodic_update = NX_NULL; ip_ptr -> nx_ip_rarp_queue_process = NX_NULL; /* Restore interrupts. */ TX_RESTORE /* Release mutex protection. */ tx_mutex_put(&(ip_ptr -> nx_ip_protection)); /* Determine if the application should be notified of the IP address and/or network mask change. *//* ... */ if ((address_change_notify) && ((ip_address != previous_ip_address) || (network_mask != previous_network_mask))) { /* Yes, call the application's IP address change notify function. */ (address_change_notify)(ip_ptr, additional_info); }if ((address_change_notify) && ((ip_address != previous_ip_address) || (network_mask != previous_network_mask))) { ... } /* Initialize the ARP defend timeout. */ ip_ptr -> nx_ip_interface[interface_index].nx_interface_arp_defend_timeout = 0; /* Return completion status. */ return(NX_SUCCESS);/* ... */ #else /* NX_DISABLE_IPV4 */ NX_PARAMETER_NOT_USED(ip_ptr); NX_PARAMETER_NOT_USED(interface_index); NX_PARAMETER_NOT_USED(ip_address); NX_PARAMETER_NOT_USED(network_mask); return(NX_NOT_SUPPORTED);/* ... */ #endif /* !NX_DISABLE_IPV4 */ }{ ... }
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